Reference borrowing refers to some books that you can read in the library. You can copy the materials you need, but you can't lend them to you. 20 yuan for one year.

Reference deposit 1000 yuan, you can borrow books.

This book is more professional and precious. Like all kinds of professional norms, academic papers, maps and video materials over the years, you may not find them in bookstores outside.

Ordinary borrowing books is ordinary books, which can be seen outside.